library /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;

static const field core::List<core::int> a = const <core::int>[];
static const field core::List<core::int?> b = const <core::int?>[];
static const field core::Set<core::List<core::int?>> c = const <core::List<core::int?>>{self::a, self::b};
static method main() → dynamic
  ;